Vulnerability Details

Cisco IOS XE Software Autonomic Networking Infrastructure Certificate Revocation Vulnerability

Published: 2017-07-28 01:55:11
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:

Detection Method:
Checks if a vulnerable version is present on the target host.

Administrators can mitigate this vulnerability by doing the following for autonomic nodes that were disconnected from the Autonomic Network domain: - Ensure that the certificate and key information for the node is deleted properly - Update the Autonomic Networking whitelist file on the registrar These actions will prevent the autonomic node from re-establishing connectivity to the Autonomic Network domain of an affected system.

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked.

Technical Details:
The vulnerability exists because the affected software does not transfer certificate revocation lists (CRLs) across Autonomic Control Plane (ACP) channels. An attacker could exploit this vulnerability by connecting an autonomic node, which has a known and revoked certificate, to the autonomic domain of an affected system.

A successful exploit could allow the attacker to insert a previously trusted autonomic node into the autonomic domain of an affected system after the certificate for the node has been revoked.

Detection Type:
Linux Distribution Package

Solution Type:

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)


CVSS Score

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